30393488 has 20 divisors (see below), whose sum is σ = 61448448. Its totient is φ = 14535840.

The previous prime is 30393481. The next prime is 30393491. The reversal of 30393488 is 88439303.

It is a super-2 number, since 2×30393488² = 1847528225612288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30393481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40928 + ... + 41663.

Almost surely, 2^30393488 is an apocalyptic number.

It is an amenable number.

30393488 is an abundant number, since it is smaller than the sum of its proper divisors (31054960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30393488 is a wasteful number, since it uses less digits than its factorization.

30393488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82622 (or 82616 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 30393488 is about 5513.0289315403. The cubic root of 30393488 is about 312.0758636472.

The spelling of 30393488 in words is "thirty million, three hundred ninety-three thousand, four hundred eighty-eight".